A method to maximise forest profitability through optimal rotation period selection under various economic, site and silvicultural conditions

New Zealand Journal of Forestry Science

Table 1 The design space of factors affecting forestry profitability

Category	Item	Unit	Maximum	Intermediate	Minimum
Stand condition	Stand age	Year	100	30	1
Stand condition	Site index class		1	2	3
Ground condition	Distance from strip road	m	1500	500	0
	Distance from forest road	m	1500	500	0
	Area	ha	15	0.5	0.01
Economic condition	Discount rate	%	7	3	1
Silvicultural planning	Rotation period	Year	100	65	30

The intermediate values represent the mean values, with the exception of “stand age.” For this item, the intermediate value represents a modal value, as the most common stand age within the study site was approximately 30 years